Very Inventive man, a thought on the claws: If you were still tweaking, check out a raptor claw, or maybe a retractible one like a cat or lion.
By, the way Keep up the sketching man!
"When you are born, you have a resposiblilty to program you're own mind, if you do not accept this responsiblilty, then the world will do it for you"
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