small bolt on seat springs

[peter lena 9,451]

https://www.google.com/search?q=small+bolt+on+coil+springs+for+seat&rlz=1C1CHBF_enUS866US866&ei=hnrGZIrrN9ae5NoP9pSm-  have this style / type  on each of my 3 horses , got some conveyor belt material , as the contact protection area  around the gas tank cap area , prevents scratching / metal damage . also really assists back seat support .  have also used heavy  SIFTER SPRING ,

with a bolt on rubber slide mount  , worth an experiment in the seat area use flat washers  to help assist bolt on mount point , elastic lock nuts. . make it better , pete