There exist tiny brushes made for cleaning between teeth - a substitute for dental floss. They have the advantage of not having to be cleaned prior to use in the shop. Chain drugstores have them or they're available from Amazon...

https://www.amazon.com/Interdental-T...944992&sr=8-20

For something a bit more durable, go to the sporting goods store and get some rifle bore brushes...

Tools from the gun shop