Possible Clues:

• Phone stand item
• After one foot one would be a thief, just to make it soft
• Lengthen, as a speech
• Writer's block? Make pedestrian progress
• Soften, in a way
• It's found on an animals's foot and a cricketer's leg
• Skateboarder's knee protector
• Sole parent departs
• Thing on a cat's paw
• Stuff the animal's foot