A minimalist black ink tattoo design on the upper shoulder2c symbolizing overthinking. the design features a small2c abstract brain made of thin2c continuous lines that morph into a subtle spiral or tangled knot2c representing chaotic thoughts. the spiral extends slightly downward 2 3 cm toward the upper arm2c creating a see through effect under a short sleeve shirt. the style is clean2c geometric2c and delicate2c with no shading or color2c only fine lines and dotwork. the tattoo is small 5 7 cm in diameter2c elegant2c and follows the natural curve of the shoulder. tattoo idea - made by Ink Studio AI