Tag creation: double_finger_gun

Tag creation:

• double_finger_gun (making the finger gun sign with both hands)

Inspired by:

• finger gun, double v

Taggable posts:

• post #463160
• post #549578
• post #828979
• post #828746
• post #473776 (merely implied)
• post #284169

Also, implication:

• double finger gun -> finger gun