IKEA items used:
EKBY HEMNES Shelf, light brown X1
EKBY VALTER Bracket, black X2
NORRBYNN Knob, black X1
How to Hack:
Fasten the knob at the 1/3 edge of the shelf
Fasten those bracket on the wall, and fasten the shelf onto those bracket
Put your surfboard on
Use a rope to tighten on the knob and through your surfboard then wind the rest of it on the shelf.
~ Vanessa