Lace Tension True: a short film

So... This is interesting to me: Up to about 6 months after posting, I got a steady stream of hits for my little film about Martin building a wheel. I was approaching a thousand, having got a few spikes after selection by V&A, and after a couple of posts via blogs like thewashingmachinepost.

Then, in the last two months, I suddenly got up to well over two thousand plays: 214 on a single day at the end of Jan. How do I find out where these new viewers sprung from, anybody?

Can anyone tell me how to trace the hit history of this spike: linkbacks or whatever?