A combined booster cushion and bag, comprising carrying means, a storage member and a booster cushion member having a user-facing side. The platform is dimensioned such that an associated container of welding consumables can rest on the platform. Once the bony sinus floor is cracked free, a fluid passageway can be pressurized with a sterile fluid at a defined pressure to release and push the sinus membrane upward into the sinus cavity to create a desired apical cavity for grafting while minimizing the risk of compromising or tearing the sinus membrane. Also, a system including the apparatus and a bottle assembly that will hold the apparatus in the bottle. The magnetic brush transports the two component developer on the magnetic brush to a development zone for either direct development of a latent image on a moving imaging surface or to coat donor rolls for ACDC generated toner cloud development of a latent image.