Here is another exercise machine from Sunny Health & Fitness that gives you a good core workouts. The SF Core Glider Ab Trainer Machine has an adjustable slope and slip resistant handles. It has a digital monitor to show time, calories, count, and other workout stats.
This ab glider has foam rollers to help you maintain solid grip. It has a device holder to hold your smartphone and tablet. The SunnyFit app shows you how to get the most out of this ab trainer.