Tape type lore: You got Duct tape, Silvery color is the clue.
but it will do the job, just great..

Real Gaffers tape is a lot more expensive. dense fabric.
they use that stuff to wrap the cables on film and TV sets.
A part of the big bucks spent producing entertainment.

Mylar packing tape being transparent is useful .. on the tour itself.
I put some on the folds of my big panel paper maps, as I bought them
so after numerous re-folds I could still see the stuff on the crease..