Butz Choquin Straight Grain Collection The Straight Grain Collection are a range of stunning pipes made from the finest briar that Butz Choquin are renowned for. Each pipe has been expertly carved and finished with fine details from aged blocks that have been specially selected and stored for this exact purpose. Featuring a plethora of different styles, shapes, and designs, the straight grain collection are meant to be enjoyed not just displayed. Each pipe is a one-off design and comes with a 3mm stinger which can be removed for an unrestricted smoke.