Over time it will hammock , but if the nut is backed all the way to the front end,
there is no more loosening..
maybe your toosh will be more comfortable on a leather covered foam padded saddle,
rather than a thick leather one suspended from rivets.
there are abundant choices in that category.
or maybe you will have to go into recumbent-cy.
Last edited by fietsbob; 12-20-12 at 02:28 PM.