Labor Day Sale !! Promo Code: ld2018 by TipTop. Posted on August 27, 2018 Additional 8% off for all existing products in the entire store, which included sale items. The promo code is ld2018. The sale event will expire on Sep 9th, 2018. Harry to get the great bipods at a great price! A Nice Thanks From Our Customer ! Where to find a high quality bipod?