Cut the hose and if you got 6mm microbore then it fits inside the hose you cut off, just jubilee clip it and attach your pole connector to the other end.
Oh sorry, I use the 6mm couplers.You'd need something like one of these connectors to get to hozelockhttp://www.gardinerpolesystems.co.uk/acatalog/Standard_Plastic_End_Stops_etc.html
just cut the hose and put your hoselock connector on very easy might suggest you put your bakpak on a trolley makes it easier for wheeling mate what you intending bkpk usage then
get your backpack and stick it on a sack truck...aldishave some nice fold down oneS for sale at mo at £14.99