Mr. Pen- Portable Door Lock, Home Security Door Lock, Door Lock Latch, Door Lock Security, Door Locks for Kids Safety, Door Security, Hotel Door Locks for Travelers, Portable Lock for Door -
PEN LOCK MECHANISM | 3D CAD Model Library | GrabCAD
Amazon.com: Officewerks 2 Pack of Secure Pens, Reception Counter Pen with 26" Chain Adhesive Holder, Includes 4 Black Ink Pens with Chain Attached Per Pack, Easily Refillable Pens with Rubber Grip :