Check out the deal on Decorative tacks for door harp at Musicmakers
One door harp requires 4 tacks.
Musicmakers: Door Harp Plans
Vintage Door Harp
Vintage Door Harp
Door Harps - Craggy Mountain Music
Door Harps
Vintage Door Harp
Door Harps
Handmade Door Harp
Harp Desk KIT - Musicmakers