Why Do Soldiers Put Tape On Their Magazines?

Why Do Soldiers Put Tape On Their Magazines? Taping magazines together in order to speed up reloading became so common among troops using the M1 Carbine that the U.S. military experimented with the “Holder, Magazine T3-A1”, which came to be referred to by some infantrymen as the “Jungle Clip”. Do soldiers just throw away magazines?