Blade
Blade denotes a classic iron design with a compact, solid head — colloquially also a thinly struck shot with the leading edge of the club.
The classic blade is an iron without a cavity, with a uniformly solid back, also called a muscle back. The weight sits compactly behind the centre of the strike. That brings plenty of feel and control but forgives little: if you strike the ball from the middle you feel nothing; if you strike it off-centre you noticeably lose length and direction. That is why blades are played above all by experienced golfers with a consistent strike pattern. The counterpart is the cavity back iron with a hollowed-out back and more forgiveness. In everyday language on German courses blade additionally stands for a thinly struck ball in which the leading edge of the club strikes the middle of the ball.
In the second sense the blade is a typical mistake in the short game around the green. An example: your ball lies just short of the green, you want to play a soft chip. You strike the ball not underneath but in the middle with the leading edge of the wedge. The ball shoots flat and fast over the green instead of climbing high and stopping. This often happens with too steep an angle of attack or when the hands are too far back at the moment of impact. The cure is simple: ball middle to slightly back in the stance, weight slightly left, calm downward swing through the ball.
Typical misconception: the blade as a mis-strike has nothing to do with the design; it can happen with any club, though especially often with wedges because their edge is noticeable. If you regularly blade it you should keep the swing short and concentrate on clean ball contact rather than distance. If instead you strike the ball on top and it hops along the ground, that is a top — a related but different mis-strike.
FAQ
Blade or cavity back — which iron suits me?
If you strike the ball consistently from the middle, a blade rewards you with plenty of feel and control. If your strike pattern still varies, the cavity back with its hollowed-out back is the better choice because it forgives mistakes. Most amateurs do better with forgiving irons.
How do I avoid the thinly struck chip over the green?
Position the ball middle to slightly back in the stance, shift your weight slightly to the left side and swing calmly downward through the ball. Keep the swing short and concentrate on clean contact rather than distance. That way the clubface strikes the ball underneath instead of with the leading edge — the classic way not to blade a chip.
Is a bladed shot the same as a top?
No. With a blade the foremost edge of the club strikes the middle of the ball, and it shoots flat and fast beyond the target. With a top you strike the ball on top, so it hops along the ground. Both mistakes feel similar but have different causes.