Never, never... do it!

 

Don't grease or lubricate

if you use oil, grease, silicon or other substances that hold the sand is like change the anti-friction system into sandpaper, it would lead to the destruction of your AVB in a few days of operation.             

 

        

Never modify the AVB.

Use a hook like this, IS NOT SAFE !
At most, it resists to a stress
of about 500 kg.

It is better to use the rope directly with a bowline knot or other similar.