Clay In Motion Clay In Motion offers unique, American-made ceramics. Each handmade, hand decorated piece is lead-free, dishwasher, oven and microwave safe. Clay in Motion uses the highest grade clay, giving it a smooth texture and high density. Clay In Motion is best known for their popular hand warmer mugs. Shop online or visit us to see more of this collection. Left Handwarmer Mug - Mystic Waters by Clay In Motion Item #: 41124 $22.99 Qty: Gift Wrap Item: Note Card Text: Left Handwarmer Mug - Ocean Tide by Clay In Motion Item #: 38190 $22.99 Qty: Gift Wrap Item: Note Card Text: Loaf Pan - Ocean Tide by Clay In Motion Item #: 39013 $27.99 Qty: Gift Wrap Item: Note Card Text: Right Handwarmer Mug - Misty Green by Clay In Motion Item #: 38185 $22.99 Qty: Gift Wrap Item: Note Card Text: Right Handwarmer Mug - Ocean Tide by Clay In Motion Item #: 38184 $22.99 Qty: Gift Wrap Item: Note Card Text: