arrow-finger (noun) index finger: first finger
Sinonime: barricade, blank wall, block, clog,
deterrent,
encumbrance, fence,
hindrance,
hurdle,
impediment,
obstacle, obstruction,
pale, rail, railing,
restraint, road block,
snag, stop, stumbling block,
traverse, wall
Antonime: advantage,
aid,
help