I have seen multiple bullet molds that had a "runner". You pour the molten lead into the mold and it fills several holes at the same time. When the balls come out, you just clip the runner off. These could be balls that have not been "clipped" yet.
I would think just any old stick would be better than biting a bullit, but who knows. Must be some stories by doctors or other workers in the field, that can give more light on the subject.
When you dig carefully in sand and mud, you often uncover a large worm. The first thing you see, is a round grey blob that looks just like a musket ball. When you spend some time digging in the same area, the fish learn to wait at your elbow and quickly grab the worm and pull it out. It stretches up to more than a foot length but they either pull it out completely or rip it and sometimes several fight over it. At a shipwreck with musket balls, sometimes what appears is a musket ball. As it looks identical to the worm, the fish grabs it, bites on it and then drops it again a few feet away. Another fish may then pick it up and drop it again. When you pick up this musket ball, you see the fresh bite marks.Perhaps boredom. Or fear. Or malice.View attachment 712538View attachment 712539View attachment 712540click to enlargeA chewed round MIGHT be a clue as to historical age and military connection in this context...I am no expert on antique firearms, but it seems to me that by the time of the evolution of the flintlock mechanism, there would be no need for a soldier to hold a round in his mouth while at the ready...But there are other possibilities in terms of motive: Boston 1775: “Both poisoned and chewed the musket balls”
Do you realize this thread is from 2012?