CP's Quick Hitch Heavy-Duty Rippers are for scoring the ground to loosen it up when in frost conditions, making the ground harder, therefore making it easier to dig once the ground is loosened.
{"sku":"SKU|quick_hitch_heavy_duty_frost_ripper_cp","model":"Model|Quick Hitch Heavy-Duty Frost Ripper","feature_bullet_1":"Feature 1|Ripper design reduces stress exerted on machine","feature_bullet_2":"Feature 2|Powerful ripping ability for caliche, frost or rock","feature_bullet_3":"Feature 3|Compatible with most pin-grabbing couplers","feature_bullet_4":"Feature 4|Available as pin-on or quick hitch attachment","feature_bullet_5":"Feature 5|Shank option 3G8354"}