Hand Shield is a fan made plasmid.
" Wish you can protect yourself from projectiles? Use the brand new Hand shield and you will be protected from the things coming at you"
Hand Shield is a plasmid as when injected, your hand glows blue and you have a glowing blue ball on your palm. When you put your hand out, it creates a shield in your hand, protecting you from objects like bullets, and other things.
This is one of the plasmids that supports you then attacking people.