saddlebag

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saddlebag

Informal rolls of fat protruding from the sides of a person's thighs
References in periodicals archive ?
A neat U-lock which fits under the seat will deter thieves and, for commuters, there's also a handy rear seat bag - perfect for track or away days.
In addition to a sizeable, egg-crate-foam-padded rack bag, Kawasaki offers a multicompartment rear fender bag and an easy-access seat bag.
The former can be adapted for use as a backpack and even be combined with the rear seat bag for additional capacity.