This is Bob

Poor Bob, I hope he can knock with his foot. 

Oh my! Definitely not Bob at the door!

One of my friends is crippled like this 

Bob can't knock but he can knock with his legs

MaryAnne Gildroy

Awww...I feel bad for Bob.

Bertoboss

AHAHAHAHA you Made me laugh A LOT!

😂 Knock with head 

Wow, this joke took a dark but hilarious turn! 🤣