Notes for Ti needles
http://www.enigmatic-consultin…ndamentals/films/TiN.html
https://pubs.rsc.org/en/conten…2962a/unauth#!divAbstract
https://www.singer.com/Regular…ll-Point-Titanium-Needles
Impatiently awaiting Ti sponge, so will proceed with needles and report here soon.