Its called a Taly A visual "to do" aid to keep the left wrist flat- not a restrictive aid like the others.
WWW.Taly.com. Lynn has a discount prom coupon code "The Barclays" for what its worth.
Here is a video clip of random indoor teaching. It is with my new canon powershot a G9- great camera but not great with sound like my HD is but shows what Hull, Noel, Castner and Lynn is up too, Also Tom Paul of the Smart Stick was there,
more later.
6b