I have one, but rarely use it. If I'm stringing for a tournament and my hands start to hurt, I'll use it. Other than that, I don't
I think a far better investment is a starting clamp or 2.
Wilson Six.One 95 16X18 Pacific Natural Gut mains @55/TF NRG2 17 Crosses @55
Strung Weight 357g 352g Balance 31.5cm 31.3cm