Answer:
As I walked along the path I saw something with four fingers and one thumb, but it was not flesh, fish, bone or fowl.
Gets rid of bad ones, short and tall. Tightens when used, one size fits all.
I'm a type of pizza that is folded in half before cooking to contain a filling
I move without wings, Between silken string, I leave as you find, My substance behind.
When set loose I fly away. Never so cursed as when I go astray.
What do angels sing in the shower?
Difficult
Animal
Easy
Food
Funny
Kids
Logic
What am I?