FYI: mine is resting against the dipper stick pivot plate, so there is no way for it to slide towards the operator.
https://www.palletforks.com/?gclid=CjwKCAiAhbeCBhBcEiwAkv2cY7EkUbquQF_7B0sputDGDM1kmnPAC46HCW0mAT5gd853GwpyrYgIfhoCu8kQAvD_BwE
Been using my Titan bolt on Thumb. It is an excellent fit and worth it!! $147 delivered, well made and very adjustable...have picked up hundreds of rocks and logs each weighing hundreds of pounds. No slippage.
Stan's MFA is a Uhaul dealer in Boonville, Columbia is 25 miles East of Boonville has a good selection in stock .
660-882-3300 my cell, might text first so I know you aren't a scammer:)
Updated with more photos
https://www.facebook.com/marketplace/item/925673208203998/