Tags: #monochrome, #minimal, #dad, #father and son, #father, #line, #black and white, #hand, #line drawing, #digital drawing, #outline, #hand drawing, #Adam Regester, #continuous line drawing, #continuous line, #line art, #minimal art, #minimal line, #Father's Day, #fathers day card, #single line, #holding hands, #parent, #daddy, #best dad, #Dad love, #best Dad in the world, #best dad ever, #support, #Father's day card, #DaddyFather, #Happy Father's day, #Father's day gifts, #gesture, #hand gesture, #touching hands supporting hands