searches failed, so i'm making a fresh thread for this, with the terms i searched for, so i, and others, will better be able to find this, and hopefully if there are existing threads and posts about this, they can get linked in subsequent posts.
add trackpoint to existing keyboard.
i know it's been done. i know i've seen it before. ... or was i dreaming.
add navigation wart. add navigation nipple. add... what are the other terms for those things again?
where have those threads gone?