Exactly the same as the back level staking plan. This is where you place your lay bets to a fixed stake. For instance, no matter what the odds are the stake will always be a percentage of your start bank. Clearly with lay betting this carries high risk at high odds and a lower risk at low odds.

Windows Desktop TSM Version 6.0

Evaluation version of TSM is restricted to 10 bets at any one time. No time restrictions in place. 

Web Based Version - TSMapp 5.8

Login as Demo User. Restriction of 10 bets at any one time.