Patent attributes
An apparatus may include a body defining a first perimeter. The body may include a closed first body end, an open second body end opposite the first body end, and a first wall therebetween, the first wall at least partially surrounding the first perimeter thereby forming an interior of the body. An inlet may extend through the first wall, the inlet configured to receive a nozzle of a commercial gas canister. The apparatus may include an exhaust defining a second perimeter smaller than the first perimeter, the exhaust fixedly coupled to the second body end. The exhaust may include an open first exhaust end, an open second exhaust end opposite the first exhaust end, and a second wall therebetween, the second wall at least partially surrounding the second perimeter. The first exhaust end may be configured to fluidly couple to the second body end.