At the beginning of the 70s, 90% of divers and more was only performing fish hunting, freediving or with self-breathing apparatus. For these divers, manufacturers designed some small support buoys useful not only as diving markers but to hold on to them to recover; they also had the function of containers to store some tools and drinks. However, the majority preferred the classic diving buoy marker, less bulky and easier to pull. So, in the market buoy markers appear equipped with hooks and pockets to store a spare harpoon, other.
Among these, the tool proposed by Copino stood out; Copino was a Spanish company which became known for his sophisticated spear guns. Published in their catalogue in 1973, it was a way in between the buoy which held everything and an equipped buoy marker to hand everything. To transform it into a Christmas tree as the one in this picture with hanging spare harpoon, caught fish and a torch would have been too heavy to pull. Maybe, this picture was only as a choreography, undoubtedly attracting people’s attention.