Save one half kilo in weight by not being able to fit bottle cage.
There's a difficult to see bottle cage mounted on the standard seat tube bosses (just below the seatpost clamp) 
This is a caption it thread. Please take your critique sub thread to POBI and use the subject line "Caption it #1868".
In the mean time here's a new caption:
My short friends can no longer ride my Moulton because I mounted my insulated laundry bag to the invisible bottle cage mounts discreetly drilled into the seat post.
