Not to butt in but are you sure it's dry ice? A lot of fire extinguishers also use a powder sort of flame retardent stuff, It's cold when it comes out and would be white but it isn't dry ice.
I need to ask though as my knowledge of what you're doing is non-existant. Why do you cold treat a...
OOOOOOO!!!! ME ME ME ME !!!!! TEACHER!!!!
OK, sorry got a little carried away.
I served in the Marines from 87'-91' and bought my Ka-Bar new at a PX in Camp Legeune in 88'. As soon as I could I took it out into the woods and hacked and wittled everything I could to see what it could hold up...
Yep, was working on a knife for my Dad and it got grabbed. I was able to hang onto it so it didn't really go anywhere BUT put a nice scratch right across the blade. Never got it out completely. I've since taken the buffing wheel off the grinder.
Sorry, I did the quick post and THEN all the latest information came up. Still new to the format. This looks REALLY good by the way. I need to get my digital camera up and running so I can start posting pics too!
Trying to do up a fighter for a Marine buddy of mine and will probably make the sheath out of Kydex. Did you make the Kydex sheath for this? It seems fairly straight forward and I can probably do it with baisc tools. Anything I should know?