500... Or possibly infinite. Unless the chickens are particularly coordinated, there might be a bottleneck in terms of the damage they could inflict, even if there were many.
Assuming they are useless when detached (i.e. I can't command my hand to crawl across the floor), I'd think detaching my legs could make lying across two plane seats or bus seats more comfortable.
You said to ask anything:
your amazing! LOL
Keep up the jscoding
Your a legend! lol