Warren Thomas custom circuit board SUNTETSU impact device prototype NEW

Description

This is an authentic item from Warren Thomas knives. Circuit Board SUNTETSU.
This is a first prototype and only two  made so far. An order was placed by a Japanese traditional martial artist.
SUNTETSU is an old samurai weapon. Usually it is used as a paperweight but when encountering an intruder, it is used as a katana catcher and a striking weapon. More info about SUNTETSU, please google it.
This is a prototype, but because of a nature of
material, WT or P logo is not stamped.
Muti layers of circuit boards are beautifully creating this piece. You won't feel any borders, surface is so smooth and flawless.
A finger ring is carbon fiber. Extremely rare item.
Please ask me any questions before you bid.
Paypal is only form of accepted payment.