Steellock 
The Edge [EPUB ebook] 

Steellock may be new to the world of bondage, but his writings feel like he has been dreaming up hot tales for many years. If you like your bondage hard and heavy then you will love the writing of Steellock. The Edge is a great multi-part story which follows Matt, a Marine who wants to push himself to the limits. Exploring a downtown bar that offers a reward to anybody who can handle the punishments handed out, he enters a world of bondage and restraint that pushes him to his limits, push him to the Edge! Will he be able to handle it or crack under the pressure?