referring to fig3 , a slide holder 40 according to the present invention is shown removably secured on a headstock 14 of a guitar 10 . slide holder 40 is adapted to be inserted on headstock 14 just above nut 18 and below strings 20 . slide holder 40 is further adapted to removably secure a slide 30 when desired by the player of guitar 10 . referring to fig4 , slide 30 is shown removably secured and / or engaged with strings 20 directly above slide holder 40 disposed on headstock 14 of guitar 10 . referring to fig5 and 6 , slide holder 40 generally comprises a housing 42 , magnets 52 and 54 , and a removable adhesive pad 56 . housing 42 generally comprises a top surface 44 , a bottom surface 46 , a first cavity 48 and a second cavity 50 extending inward from top surface 44 . housing 42 is made from a compressible and resilient eva foam available under the brand name polycell from mdi products , llc , 10045 102nd terrace , sebastian , fla . 32958 ( www . mdiproducts . com ), and fabricated by well known injection molding processes . in the embodiment shown , housing 42 is rectangular shaped . in other embodiments , housing 42 may take different shapes such as a circular shape . the compressibility and resiliency of the compressible material of housing 42 allows it to be secured under a force between the headstock 14 and strings 20 . magnet 52 is secured in first cavity 48 by a conventional liquid adhesive . similarly , magnet 54 is secured in second cavity 50 by a conventional liquid adhesive . slide 30 is made of metal is removably attracted to magnets 52 and 54 of slide holder 40 as desired by the player of guitar 10 . magnets 52 and 54 have a sufficient magnetic field strength to secure slide 30 to or upon strings 20 . in the embodiment shown , magnets 52 and 54 are neodymium magnets available from k & amp ; j magnetics , inc ., 18 appletree lane , pipersville , pa . 18947 ( www . kjmagnets . com ). although magnets 52 and 54 have been illustrated , slider holder 40 may comprise a single magnet of circular or rectangular shape or more than two magnets of different shapes . alternatively , magnets 52 and 54 may be molded as part of housing 42 . adhesive pad 56 is a double sided self - adhering stick pad made with nano - suction cups that can be secured to the surface of headstock 14 which is typically made of wood with a polymer thin film coating , ceramic , metal and / or a combination thereof . adhesive pad 56 comprises a top surface 58 removably secured to bottom surface 46 of housing 42 and a bottom surface 60 that is secured to headstock 14 . adhesive pad 56 is well known and available from under the brand name stick um ! from um - brands . com , 13931 central avenue , chino , calif . 91710 ( www . um - brands . com ). referring to fig7 , slide holder 40 is positioned under strings 20 and on headstock 14 of guitar 10 . it is critical that slide holder 40 have an overall height in the range of 0 . 375 to 0 . 500 inches which allows slide holder 40 to be inserted on headstock 14 and under strings 20 of guitar 10 . the compressibility of housing 42 provides height adjustment for insertion of slider holder 40 upon headtsock 14 . adhesive pad 56 stabilizes the position of slide holder 40 in relation to strings 20 and diminish any motion when in use . when slide 30 is placed in proximity to magnets 52 and 54 and released by the player , it remains suspended in a ready position under the magnetic field produced by magnets 52 and 54 . the orientation and position are very favorable for reuse . when needed , the player inserts their finger into slide 30 and exerts enough force to remove it from the magnetic field of magnets 52 and 54 . the strategic location and ease of movement on and off the finger make slide holder 40 a very useful tool . referring to fig8 - 10 , where a slide holder 100 according to another embodiment of the present invention is removably secured on headstock 14 of guitar 10 and below strings 20 . slider holder 100 comprises a housing or block 102 made from a compressible and resilient material such as foam . housing 102 comprises a top surface 104 , a bottom surface 106 , and a cavity 108 . slide holder 100 further comprises a magnet 110 disposed in cavity 108 . it is critical that block 102 have an overall height in the range of 0 . 250 to 0 . 750 inches which allows slide holder 100 to be inserted on headstock 14 and under strings 20 of guitar 10 . the compressibility and resiliency of the compressible material of housing 102 allows it to be secured under a force between the headstock 14 and strings 20 along top surface 104 and bottom surface 106 . referring to fig1 and 12 , where a slide holder 200 according to another embodiment of the present invention comprises a housing or block 202 made from a compressible and resilient material such as foam . block 202 comprises a top surface 204 , a bottom surface 206 , a first cavity or hole 208 extending from top surface 204 to bottom surface 206 , and a second cavity or hole 210 extending from top surface 204 to bottom surface 206 . slide holder 200 further comprises a first magnet 212 disposed in first cavity 208 and a second first magnet 214 disposed in second cavity 210 . it is critical that block 202 have an overall height in the range of 0 . 250 to 0 . 750 inches which allows slide holder 200 to be inserted on headstock 14 and under strings 20 of guitar 10 . the compressibility and resiliency of the compressible material of housing 202 allows first and second magnets 212 and 214 to be secured within first and second cavity 208 and 210 without any adhesive such as glue or any other securing means . slider holder 200 further comprises a plurality of strong thin non - metallic membrane layers 220 and 222 disposed upon top surface 204 of block 202 . membrane layers 220 and 222 prevent first and second magnets 212 and 214 from being pulled out off first and second cavity 208 and 210 , respectfully , as metal slide 30 ( fig7 ) is pulled off of strings 20 . membrane layers 220 and 22 can be made from any non - metal material such as plastic . the compressibility and resiliency of the compressible material of foam block 202 allows it to be secured under a force between headstock 14 and strings 20 along top surface 204 and bottom surface 206 . the foregoing description is intended primarily for purposes of illustration . this invention may be embodied in other forms or carried out in other ways without departing from the spirit or scope of the invention . modifications and variations still falling within the spirit or scope of the invention will be readily apparent to those of skill in the art .