Knife with hollow handle, where do I start?

[NeutronStar]

Coincidentally, just saw this:

https://www.arizonacustomknives.com/products/1030422/

 

[WValtakis]

Nice, but this is THE classic for me

 

[Cognoscenti]

Never knew there was a book.
Yet another book I want to read

Edit: just ordered it

My friend actually search picture to see what you are talking about
he talk/read another language and pictures would be the best for him
could someone point me good pictures of the process ?

 

[Hengelo_77]

My friend actually search picture to see what you are talking about
he talk/read another language and pictures would be the best for him
could someone point me good pictures of the process ?

I talk about a book