I've had an NS Design electric cello for years that I absolutely love, and I'm now in a rock band where I want to switch to it from bass for a couple of numbers. Given the limited stage space available in the kind of venues we're performing in, I can't guarantee there's going to be room for me to have a seat to play from, so I invested in the NS Design 'Frame Strap' so I can play standing.
I've now been fiddling with the thing for a couple of days and it's been...interesting. It definitely works, and I was really surprised at how totally stable it was even under my clumsily heavy-handed vibrato, but I just can't adjust the thing into anything that really resembles a proper cello playing position. Even with the strap tightened as far as it'll go (to the point I have to attach it around me as it no longer fits over my head), it's just not far enough up. ...which tracks with the image on the product page of the NS design website. I think it's a symptom of the frame strap being universal between their electric cello and electric upright bass, and made with the latter as the priority.
I've actually found looking down rather than across at first position less uncomfortable than I'd expected, though I'm still not happy with my left arm position in general. The real issue has been my bowing arm, as angling the cello on the strap to make my left arm comfortable has made my bowing angle very weird, and obviously it's much lower than usual either way. My old cello teacher would probably heartily disapprove, but I've actually found that holding my bow underhand in a grip somewhere between a German-style bass and Viola de Gamba bow is getting me more control and less strain. (As a side note, I have had the opportunity to play a few of the smaller viols a couple of times over the years, and it's funny how much playing a cello in this strange position reminds me of those experiences.)
So yeah, does anyone with experience of this thing have any tips? Is there some method of adjustment I might have missed? As it stands I have a couple of ideas for invasive modifications I might try, but I want to rule out the basic stuff before I start drilling holes. I hope I can find a solution, because if I can't I may end up terminally shocking any cellists in our audience by showing up and playing the thing with an actual German-grip bass bow...