No you can’t, since the whole idea behind a glue gun is the glue itself. The gun is just the delivery system of the glue. A pritt stick won’t glue two chunks of wood.
You usually only need one or the other. Really it's whatever you like. I personally like primer better, but it is up to you. Try both and see which one...
Yes, but it's not really worth it since you will be adding shaving cream. The lotion, shaving cream, and foaming hand wash will make the glue look white, instead of...
Hot glue would not work well for fabric. Fabric glue would work to make the hat without sewing, though the pleats may be a little tricky, and the hat would...
