Holes In Your Converse
Why do Converse shoes have those side holes anyway? Apparently, there are several reasons they exist. First, they let your feet get some air. This is useful as it can get hot when they are holed up there the whole day. Second, you can also use them to tie up your laces in a different way.

Holes In Your Converse
Screwdrivers, But Also Wrenches
You would never have guessed this one! You should slide your wrench over your screwdriver like this. Apparently, this is the precise reason the screwdriver was designed like this. This is useful when you need to handle angles difficult to hold onto.

Screwdrivers, But Also Wrenches

