Linda West from LindaWestCellos .com shows you how you can easily do your own repair of an open seam between top or back and ribs of a cello. This repair technique also applies to other similar stringed instruments, such as violin, viola, bass.
For your own repair kit, which includes hide glue, clamp, pallet knife and cup, go to: https://www.lindawestcellos.com/products/seam-repair-kit