Ive used Citrus Strip , apply thick , open the ports , Come back the next day and scrape all the 30 year Varnish off and Vacume up the dirt ! . Light sand so the holly starts to look clean again. Than 4 coats of Min Wax Poly with 4 table spoons of Penatrol and at least that many Linseed oil for traction. After the 3 rd coat its looking great but the 4th coat light sand in between of course, After the 4th coat looks like a gym floor ! The traction is amazing !!!! Ive shown other sailors at my dock and they have started to copy the process. Ill try to get a pix up But im so bad at being sucessful at that that i always just give up . This deck method is a method i learned for the Sabre sailors when i had one.