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Pyramid stacking is a semi-permanent structure of barrels that are stacked upon each other with wood wedges to secure their location. Barrels are first stacked empty, and once filled they do not move. This method requires less space horizontally than using barrel racks and avoids the cost of barrel racks, however, if a barrel on a bottom row needs to be removed then all of the barrels above it also need to be emptied and moved. Mobility of barrels is therefore sacrificed for space and cheaper cost. Another benefit of pyramid stacking is that a [https://www.facebook.com/photo.php?fbid=10101163850672808 forklift] is not required. See also [https://www.facebook.com/groups/MilkTheFunk/permalink/1932486870112851/?comment_id=1932686786759526&reply_comment_id=1932706406757564&comment_tracking=%7B%22tn%22%3A%22R9%22%7D Andrew Zinn's list of benefits to pyramid stacking].

* [http://funkfactorybrewing.blogspot.com/2015/04/ Funk Factory Geuzeria - Pyramid Stacking Technique for Barrels]

* [https://www.facebook.com/groups/MilkTheFunk/permalink/1157561294272083/ MTF discussion of equipment for transferring out of pyramid stacked barrels and tap fittings.]