I've found Maksim's videos on changing wa handles videos very simple, clear and informative: But I've been unable to decipher the name of the the paste-like material he uses (in part 2) to firmly bond the tang to the handle, after he's seated the tang by burning it into the handle. A comment on the part 2 video asked what this material was, but Maksim has not replied. Can anyone help identify this material? Having battled with removing a handle attached with epoxy, I'd like to use a bonding material that's solid, but not so permanent. Thanks!