Simple and very effective. Place the ring frame on a sensitive area of the sub pull the hammer back as far as you can and release. Sure to leave a fun mark.

Different Colors

These are printed to order therefore each design can easily be printed in each color.

Different Hammers

This device comes with several different shapes on the hammer part. Each one leaves a different set of marks on the sub.

Your Initials

Stamp a sub with your initials. Have your initials spelled out with little spikes.

Different Bases

While the classic circle is clean and efficient looking. There are a number of other base versions to choose from.

Octagon, Love Heart Quackers Kitty (looks like Hello Kitty but is different) and Octopain

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Original Rubber Band Cannon