When I learned to tat, in the late 1980s, there weren't a lot of shuttles available locally - so I started looking for shuttles every time we went to a larger city, such as Greenville. At some point I found Clover shuttles; they were available in dark blue and dark red. Later, I discovered Clover tortoise shuttles (and I still think they're a prettier tortoise than the newer Clover tortoise). Then the only (so far) Clover shuttles without the point, the Clover Amber (or Gold, if you prefer).
The neons were a pleasant surprise - but if you wanted one of every color, you ended up with two green ones! I always have wondered why they didn't make a lavender one so you'd have a rainbow set. Then I moved beyond the two-per-card to the sets of five per pack (but I still have several extra green ones!).
Now, Clover has introduced their pastel series - so pretty! I like the new colors; I wonder what will be next. Will they introduce five new colors in a few years? Maybe someone will begin making "end of day" shuttles - lots of colors mingled together. You can still find the celluloid version of these on the auction sites (but they're usually out of my price range), and bid on them. I think I'll be content with these...for awhile!