I don’t know if this is the smallest working shuttle, but it has to be close to it. Dave made this itty bitty tatting shuttle from ancient wooly mammoth ivory from Russia. It is just 1 ¼ inches long. You can tat with it, use it as a key chain fob or as a necklace pendant (chains not included and are for show and tell only). The design on both sides are hand carved and inlaced with brass. Mammoth have been extinct for 10,000 years.
This itty
bitty tatting shuttle is currently up for auction on 
Ebay with an opening bid of .99!Don't forget--you can click on each photo to see the original photo!
