Weightlifting shoes have a raised heel to assist your lifts by helping you to achieve more effective positions. They have a solid sole to provide stability.
When choosing your lifting shoes ensure they are snug fitting. Pictured are Nike Romaleos 3 XD, I would highly recommend these.
Wrist wraps come in many forms. Thick bands with Velcro, long strips with laces to tie up and my personal preference, the plain bandages purchased from a pharmacy.
Wrist wraps provide some support, to help prevent injury, as well as keeping the joints warm.
KNEE WRAPS OR SLEEVES
Most weightlifters wear knee sleeves or wraps, particularly for heavy cleans and squats. These provide support and warmth for your knees.
Knee sleeves come in a range of thicknesses, the thicker providing more support.
My preference is to wear knee wraps with thin sleeves over the top to keep them in place.
A weightlifting belt provides two related and important benefits.
Firstly, it provides back support to encourage correct posture.
Secondly it provides stability by creating a barrier to brace your mid section against, whereby increasing tension in your torso.
Chalk is applied to a lifters hands to absorb any moisture and ensure a tight grip on the bar.
Chalk can also be used on top of the shoulders and the collar bone, where the bar is caught in cleans and front squats.
Applying tape to thumbs helps to reduce callus build up. It also increases surface frictions and reduces the pressure of the hookgrip.
Hookgrip is locking the thumb underneath the fingers to increase the grip on the bar.