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Here is a simple solution and you can fit it down the bell of your tuba.

Where do you store the saw for removing the arms?

Mark wrote: Mon Feb 16, 2026 7:41 pm Here is a simple solution and you can fit it down the bell of your tuba.

Umm ... I tried to put a chair in my tuba once and it just wouldn't fit.

A decent floatation "boat cushion" is perhaps more effective and not difficult to transport.

But ... Nice woodworking job!

You have to admit though, that the boat cushion down the bell probably won't fit either. Maybe a folding boat cushion would.

Mary Ann wrote: Tue Feb 17, 2026 11:25 am You have to admit though, that the boat cushion down the bell probably won't fit either. Maybe a folding boat cushion would.

Or a blow-up cushion -- but those are too much of a pain to use and I've never found one that works well. Also, you can look for cushions that hunters use in tree stands. Sometimes those work well, but they tend to be a bit on the small side.

My approach to "large instrument gear" (which includes stuff for tubas and bass trombones -- which in some ways are the worst because of the issue of multiple large mutes) is to use a large Gator gear bag that all my "accessories" go into. Then I schlep the instrument (in its case, slung over one shoulder or on my back) and the gear bag into the practice/performance venue. Or make your own from closed cell foam you can order from Amazon.

At times I've used a foldable hand-truck to tie the gear bag to while I put the instrument on my back with the backpack straps of the case (I'm fan of backpack straps for these things). But the problem with the hand-truck approach is that it only works on hard surfaces. So if you're doing a performance in the middle of a field or big yard, it usually turns into a pain. And of course they don't handle stairs well.

To be clear; this is not mine. I saw this photo online and thought it was way over engineered and totally not worth the effort.

Mark wrote: Wed Feb 18, 2026 2:17 pm To be clear; this is not mine. I saw this photo online and thought it was way over engineered and totally not worth the effort.

Well, that might depend on its precise goals and circumstances. However, there does appear to be enough of a market for them that the company making them -- as "the only compact and portable chair booster ..." is still in business: https://www.kaboost.com/products/natura ... SphTXP9zpo -- although I tend to agree that it's difficult to understand why.

I immediately assumed you were making a joke.
Am I the only one who was correct?
Regardless, it's pretty funny.