The material used is Velcro® or a similar hook and loop material that will conform to {HEAD ~ the shape} of any instrument placed between {TAIL ~ the contacting surfaces} 
The material used is Velcro ® or a similar hook and loop material that will conform to { HEAD ~ the shape } of any instrument placed between { TAIL ~ the contacting surfaces }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL