Engineer unique aeresol spray can

Is it possible to engineer a telescopic, extendable aeresal can, which compact is 4 inches but extendable upto 14 inches, (like a teachers pointer) [login to view URL]://i01.i.aliimg.com/photo/v0/218056695/telescopic_pointer_teacher_pointer_extendable_pointer.jpg&imgrefurl=http://www.alibaba.com/product-gs/218056695/telescopic_pointer_teacher_pointer_extendable_pointer.html&h=623&w=830&sz=34&tbnid=QpZ8wIWHXjbk5M:&tbnh=98&tbnw=130&zoom=1&docid=OjFnU3ea0sb5PM&sa=X&ei=gakyT823Con40gH01-X8Bw&ved=0CFcQ9QEwAQ&dur=254 ...where users can insert refills of liquid or carterages filled with liquid/gas into the HANDLE portion, press a button ON the handle portion, which can propell the liquid in aeresal form out the hole on the other end now 14 inches away? It must compact to 4 inhes so it can be portable and fit in a backpack or pocket, but extend telescopically upto 14 inches. I was thinking the extendable portion cna be like a flexible straw. If so, you're hired. It can be electric, but must be made cheap for consumers. I want to engineer this device and sell refills for it. We can also talk about a Pump spray, that may also work.