Chase lies still and has a relaxing grind, front and back. Lark acts like I'm electrocuting her, mainly on her front feet also. I can't seem to fondle her feet enough or reward her enough to make it less freaky to her. I've asked the kennel to clip them on rare occasion if they've been boarded and I can barely see any difference pre and post clipping. She must give them a fit also. I, too, hope someone has the remedy.