Mounting AntiPiste AT--where is the line?

I have a pair of punk graphic 174 Anti Pistes with tele inserts, so there is no line on the ski for midboot AT mounting. Anyone know where the line is? I think they are the same as the coomba?

http://www.tetongravity.com/forums/s...tipiste-Alpine

Thanks! Guess my searching skills are getting rusty...