Not on the Garand. 8 rounds held staggared dn an en block clip, and the whole thing was inserted into the top of the receiver. When the last round fired the metal clip was ejected back out the top automatically. Only tought part was holding the bolt back while you loaded the clip in, because it would release the bolt and slam the both onto your thumb. The result was called the Garand thumb, which was like hitting your thumb with a hammer, but could guve you a nasty cut too.
I think he is thinking about the “stripper clip” used on the Springfield and M1917.
If use the side of your hand to push the bolt back and your thumb to press the clip in while holding the bolt, you can avoid Garand thumb. I read somewhere that there is less of a chance of jamming if the highest round on the clip is on the LEFT side of the clip as it is inserted. Not sure why though.