They work well for keeping the inside of the instrument free of any major junk or build-up, if used somewhat regularly

Maintinaing your instrument is very important and it is recommended regular cleaning.

Both sizes of spitballs are a great way to clean your brass instrument.

These are a great way to clean your horn between big chemical/ultrasound cleans, something that serious horn players should always do in my opinion

If you are using a rental/school horn and its smelly, this is the best way to clean it to get rid of that smell without going to a shop to get it cleaned

Both sizes of spitballs are a great way to clean your brass instrument.

I do like the cleaning action overall, so this is a minor inconvenience

Product is GREAT --- make sure you have the right size!

This is a very effective and reliable product and i would advise that anyone with a trombone or baritone own

It really cleans out my sons trumpets.

I use them on my double rotor bass trombone and mostly to clear out any buildup in the valve tubing and in the inside slide tubes

These are actually safer for getting the inside of the handslide tubes because cleaning rods and cloths can get stuck

These are actually safer for getting the inside of the handslide tubes because cleaning rods and cloths can get stuck

One caveat: when I run them through the entire instrument with both valve triggers depressed it cleans the rotors to the point where I have to oil them again

Keeps my baritone clean!

Product is GREAT --- make sure you have the right size!

They do not replace a bath in warm soapy water, but you would be amazed at how much grime they remove.