I used to keep one of these under the seat of my ninja
REMA TIP TOP PUNCTURE REPAIR & AIR KIT MOTORBIKE MOTORCYCLE SCOOTER NEW TUBELESS | eBay
used a it a couple of times, worked well and got me home.
:)
Rock sliders go where sills go. tree sliders bolt to tub.
http://www.ebay.co.uk/itm/Land-rover-defender-90-door-bars-and-tub-bars-aluminium-/330789587720?pt=UK_CarsParts_Vehicles_CarParts_SM&hash=item4d04988b08