The following p4 c double-barreled backward clean moon rake with an initial population of 131 cells. Puffers can be obtained by deleting the 20 or 31 rearmost columns of cells. Backflip and belly flop are trailers for the flip-flop rake. Discovered by Josh Ball.

flip-flop rake.png

x = 41, y = 21, rule = s0/b2
39bo$27bo5bobo4bo$26bob2o6bo3bo$26bo11bo$bobo4bo7bo2bo4bobo3bo6bo$4bo
2b3o2bo3bo19bo$bo3b2ob3obo23bo$4bo4bobo4bo3bo6b2o3bo2bo2bo$11bo24bobo$
2bo7bobobo5bo2bo2bo9bo$b2o5bo3b3o9b3o8bo$obo3bobo5bo9bobo9bo$obob2o2bo
2bo24bobo$b2o3bo3b2o4bo7bo2bo2bo5bobo$2bob2o4bo5bo7bo$10bo11bo4bo6b2o$
17bo5b2obo2bo7bo$14bobo5b4o3bo2bo5bo$24b3obo7bo3bo$23bo3bo7bo4bo$39bo!