Here you see Rick holding a new uke under the black light bulb. He is checking for glue on the surface that must be sanded off to get a good finish.
The LMI glue we use contains a chemical that glows blue under the black light. a great way to detect glue smears before applying finish. LMI stands for Luthiers Merchantile International. a luthiers supply company.
glueing on a bridge usually results in a bit of "squeeze out" when the clamp is applied. Best to clean it out now before it sets up.
Here is the perfect tool to scoop up excess glue. Simply a plastic soda straw cut with a point.
Here it is at work.