UIBezierPath *path = [[UIBezierPath alloc] init];

    CGFloat indicatorWidth        = 30.0;
    CGFloat indicatorHeight       = 20.0;
    CGFloat indicatorPosition     = 30.0;

    CGFloat x = rect.origin.x, y = rect.origin.y, width = rect.size.width, height = rect.size.height - indicatorHeight;

    [path moveToPoint:CGPointMake(0.0, 0.0)];
    [path addLineToPoint:CGPointMake(x, height)];
    [path addLineToPoint:CGPointMake(indicatorPosition, height)];
    [path addLineToPoint:CGPointMake(indicatorPosition + (indicatorWidth / 2), height + indicatorHeight)];

    [path addLineToPoint:CGPointMake(indicatorPosition + indicatorWidth, height)];

    [path addLineToPoint:CGPointMake(width, height)];
    [path addLineToPoint:CGPointMake(width, -height)];


    [[UIColor redColor] setStroke];


    [path setLineWidth:2.0];
    [path stroke];