Dumbbell V Up Crunch

Renegade Russian Twist

Decline Oblique Plate Twist

Decline Plate Crunch

Walking Plate Lunges with oblique twist

Plank Drags (cement bag / towel)

Seated Dumbbell Knee Crunch

Standing Russian Twist (bar stool)

Kettlebell Figure Eight

Kettlebell Single Arm Crunch