I have been going through the posts in: http://tt.tennis-warehouse.com/showthread.php?t=33383 (Post links to useful threads) Several of the links presented are pointing to unrelated threads. e.g. in Laying back the wrist, #2 points to another link: clicking this link takes me to some link on babolat. searching for "laying back wrist" did not bring up any other thread. In Basics: Hitting Heavy Balls post #7 has: These links also point to some unrelated threads in Odds and Ends. The last link has now changed to this: http://tt.tennis-warehouse.com/showthread.php?t=24587 ??? Post #9 of "Heavy" Balls: points to a post named Agassi Time machine. thanks.