Sami herders follow the migrations of the reindeer as they move across northern Scandinavia and Russia from their winter grazing grounds to cooler areas during the summer months.
As a child I often waited for my dad to return from the vineyards, and followed him to his workshop filled with saws, welders' masks, and nails sorted by size.
The strategy helped Saks avoid being burdened with excess stock in January, but rival shops were made to look very expensive and felt they had to follow suit.