Have successfully converted him after many attempts as follows:
1. A piece of three-quarter inch tubing, about 20-30 cm
2. Two semicircular tent pegs (Obi) approximately 18 mm in diameter and about 30 cm long (shorter is also OK) tuck opposite
3. The form in the opening two pegs, tuck the spike so that the beads two opposing forces the edges of herring apart
4. the design in an umbrella stand: poke (eg Toom plastic, 20 ltr 7.99.) And fasten it with the union nut.
Keeps the bomb and also has the advantage that you can place the Katzenschreck accurate, or can establish where otherwise without effort.
Also, I recommend that thread with 2-3 layers thread seal tape additionally seal at all water-side connections.
Actually, you should assign only one star, because there's more defects, but grace in law: after the device works reasonably acceptable (have them three pieces), as opposed to all the devices on an acoustic basis, I forgive 3 stars.