I grew up paddling in the Temagami region in the early 1970s. ALL of the local first nations folks used the "goose stroke" (pry) but kept thier hand between the paddle and the gunwal to avoid rubbing. They all never lifted the paddle out of the water either. Stroke, 90degree clockwise rotate...
The link to the trip report no longer works. Is it available elsewhere ? We always dreaded diamond portage. 2 miles of first mud up to your knees & downed trees, then seemingly endless slog.