Semperfli Prepared Fly Tyers Wax - A staple for any fly tyer when working with dubbings or slippy materials as it just makes tying so much easier. Simply add a little wax directly onto your thread and then use your chosen technique for dubbing. Semperfli Prepared Fly Tyers Wax works with all dubbing styles - directly onto the thread, splitting the thread or making a dubbing loop.