Gorgeous fitness model River is back for one of the most difficult challenges. She will have to keep her ab muscles engaged or she will put on these awfully tight clover clamps. At the start, this seems quite simple…

File Name: extreme_ab_exercise_challenge_bdg.mp4
Format: MPEG-4
File Size: 220 MiB
Duration: 4 min 47 s
Resolution: 1920×1080 (16:9)