I just tried a nat gut hybrid for the first time: Luxilon NG 16 at 54 x Tier One Ghost Wire 17 at 49 in my Ezone 100. I'm not loving it. Less spin and a thud sound on shots hit hard. Prefer NXT Control (only lasts about 6 hours) or VCT red/Prince syn gut 15L.
I've been looking at ball machines for a while now but haven't been willing to part with the cash because I'm such a cheapskate.
Thanks to Beltsman in a thread on the Tennis Twist I became aware of the cheap Sklz Catapult soft toss machine for kids.
I was a little shocked at how wimpy the...
My hitting partner got a dampener and his slight arm discomfort went away. I never used them with a pro staff 85 but do with RF97A - a stiffer racquet. Tried the Babolat Vibrakill and it killed the feel for me.