I love the creativity of gadgets like. I don't do very much soldering, but my simple remedy when needing more holding points is to have a second one of the Helping Hands device mentioned.
This is Michael Kohan in Los Angeles, Beverly West near the Beverly Center
9 tenor cutaway ukes, 5 acoustic bass ukes, 11 solid body bass ukes, 9 mini electric bass guitars (Total: 34)