Made this pen for a long time tech contributor to the Owners News

[Bud]

 

The cap (left side) screws off and then screws on the other end. The spring actually works. The cap is turned from water buffalo horn. Stinks like bone or antler when turning/sanding but finishes up nicely.

 

View with cap off.

 

 

[ltljohn]

Very nice work!

[OoPEZoO]

That is VERY cool!

 

[tallman]

Nice.

 

Thoughts on a personal defense system design in a pen?

Looks like a 9mm would easily be accomodated.

[T.M. Roe]

A small, poison gas, canister?

[Bud]

Bond, James Bond.

[T.M. Roe]

U,B,Q

[flars]

No remote reservoir??

[T.M. Roe]

It's virtual....

[DaveTheAffable]

That is simply cool!

[longjohn]

How much are they?

[Bud]

Hope this answer isn't against any rules since you asked.

 

$25 shipped.