Louis Armstrong street and stuck them into his mouth to prevent bigger children from stealing them. Someone dubbed him "satchel mouth" for his mouth acting as a satchel. Another tale is that because of his large mouth, he was nicknamed "satchel mouth" which was shortened to "Satchmo". Early on he was also known as "Dipper", short for "Dippermouth", a reference to the piece "Dippermouth Blues". and something of a riff on his unusual embouchure. The nickname "Pops" came from Armstrong's own tendency to forget people's names and simply call them "Pops" instead. The nickname was turned on Armstrong himself. It was used
King Oliver of all, Armstrong. One of his protégés, Louis Panico (cornetist with the Isham Jones Orchestra), authored a book entitled "The Novelty Cornetist", which is illustrated with photos showing some of the mute techniques he learned from Oliver. As mentor to Armstrong in New Orleans, Oliver taught young Louis and gave him his job in Kid Ory's band when he went to Chicago. A few years later Oliver summoned him to Chicago to play with his band. Louis remembered Oliver as "Papa Joe" and considered him his idol and inspiration. In his autobiography, "Satchmo: My Life in New Orleans", Armstrong wrote: