How do fleas wear one of those collars?

Answers

Carol

Usually around their necks. (that was easy).

Weasel McWeasel

the trick is tightening the loop.

Big Kahuna

They are really small.They wear dust mite collars.Then dust mites wear a really,really small collar to get rid of amoebas.

Pronk

Use slip knots,even though the fleas may pout; Anything else could lead to a collar’a breakout.