The Original Baseball Bat Mug | Customize Yours Now | Lumberlend Co® – Lumberlend Co.® Lumberlend Co. is the Home of the Original Baseball Bat Mug®. These fully customizable bat mugs are the perfect gift for the baseball fan, coach, player, parent, wedding party or groomsmen. MLBPA Officially Licensed team and player designs. Fast Shipping for holiday Gifts.