Pen gun. Simple, dangerous and a Title II firearm.
jewelry w/ hidden blade - Google Search
hidden knife - Google Search
Shop our BEST SELLING bolt action pens! Great Gun Gifts for Him his anniversary or birthday! Custom engraving available! $40 http://www.handmadeformen.com/collections/bolt-action-and-gun-pens
Elder Dragon Necklace w/ Hidden Knife $10
So when you see me writing with a pen....
Pluma grande plegable cuchillo collar por LowlifeKnives en Etsy
Dragon Design Necklace With Hidden Neck Knife
This is not out till May but I like the idea not sure how practical it will be until I have tried it will let you know.