How are slip off slopes formed?

A slip-off slope is a gentle slope formed as a result of deposition on the inner bank. The sediments removed from the outer bank are carried by the current of the water to the inner bank and deposited. This occurs because the friction between the inner bank and the water is greater than at the outer bank( where the current is fastest) and so reduces its velocity with deposition. The water at the inner bank gets shallower which results in a slip-off slope.