Doorframe pullup bar.
Minimalist shoes and boots.
Doorframe pullup bar.
Minimalist shoes and boots.
Foam roller
barbell
Shake weight.
Bacon.
I'm also fond of a belt to hang weight off of for pullups. Also, barbells.
The book, You are your own gym.
Gravity
Creatine
Kettlebells, Punching Bag, Weighted Vest, Door Pullup bar