Landmine Rig Attachment for 3x3 RigsLandmine Attachment for Valor Rigs The Valor Fitness RG 13, Landmine Rig Attachment will add dynamic core and rotational exercises to your routine. Used commonly with HIIT (High Intensity Interval Training) workouts, the landmine will challenge athletes by targeting muscle groups from multiple angles while experiencing a cardio state. Features and Benefits: HEAVY DUTY: Constructed of 11 gauge steel for strength and durability with matte black coating.