I've got a couple of Hanwai '68 cav. lance heads sitting around there 'round 12 inches long, with the butt caps being about 3 inchs, now comes the fun part, attaching them to an ash , bamboo, whatever, ther only .875 inch on the interior throat, now I've got all kinds of ideas, but I'd like some more, would you pin, and epoxy? or what... thanks G.