Dual ended tip is design for easier usage for different angle of teeth picking. Just scrap gently on desire part to clean and remove the plague and dirt. For safety, start your process from the gum line and move to the tip of every tooth. GOOD DESIGN AWARD JAPAN awarded MADE IN JAPAN Note ・Avoid your pet dog to bite the pick & pick as it might hurt their mouth. ・Avoid apply excessive pressure as it might hurt their mouth and gum. ・Please use our product for oral care only. ・Remember to wash and dry it after using and store it at hard to reach place. ・Cover back the tip with the silicon rubber after wash and dry. ・If the stain or tartar is too stubborn, please consider of our PRO SPECIFICATION Scaler to remove plague and tartar.