Pasted

public OnPlayerTakeDamage(playerid, issuerid, Float: amount, weaponid)
{
    if(IsPlayerAttachedObjectSlotUsed(playerid,1))
        {
        if(IsPlayerAimingTargetBodyPart(issuerid, playerid, BODY_PART_HEAD))
                {
                RemovePlayerAttachedObject(playerid,1);
                }
        }
}