What a few handcuff to your finger? Or a self defence ring with a tiny button that rapidly releases the built-in blade? Hyperlinks to all of the devices yow will discover beneath!
Iris Ring with mechanism: https://bit.ly/2UGTDrf
Handcuff Ring: https://bit.ly/3qZkX0c
Piston Ring: https://bit.ly/2UHJkmP
Star of David Mechanical Ring Field: https://bit.ly/3kk5dnl
Spinning Mechanical Cube Field: https://bit.ly/2UGdpU5 || https://bit.ly/3r4BCzC
Self Protection Ring: https://geni.us/SelfDefenseRing
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