Trailing Edge
The trailing edge is the rear edge of the club sole — the counterpart to the front leading edge.
The trailing edge sits on the clubhead where the sole runs out backwards, i.e. on the side facing the tee. Its counterpart is the Leading Edge, the sharp front edge of the clubface. The width of the sole lies between the two, and it is exactly this geometry that decides how the club glides through the ground. On wedges, the trailing edge is often rounded or ground down so that the club does not catch in the ground when the clubface is open. This rounding is part of the Bounce concept.
In practice you feel the trailing edge above all in sand and in soft lies. For example: you play a bunker shot with an open clubface. The leading edge lifts, and the sole together with the trailing edge glides through the sand instead of digging in. A strongly rounded trailing edge makes this easier, a sharp edge digs in. On firm, short turf it is the other way round: there you want an edge that goes through cleanly and does not bounce off.
A typical mistake is the assumption that all wedges are the same. Sole width, bounce and the shape of the trailing edge turn two wedges with the same Loft into completely different tools. Anyone who plays a lot from bunkers and soft ground needs different grinds than someone on firm fairways. When buying, it is therefore worth looking at the sole and testing on your home course.
FAQ
How do I recognize whether the trailing edge of my wedge suits me?
Test the club on the ground you play most often. On soft ground and in sand, a rounded, ground-down trailing edge glides through cleanly without digging in. On firm, short turf, on the other hand, you want a sharper edge that does not bounce off. Two wedges with the same loft can feel completely different in this respect.
What does the trailing edge have to do with bounce?
The shape of the rear sole edge is a direct part of the bounce concept. If the trailing edge is strongly rounded or ground down, it reduces the effective bounce as soon as you open the clubface. This is how the grind prevents the leading edge from digging into the ground when the face is open.
Why does my wedge sometimes get stuck in the bunker?
Usually it is the combination of sole, bounce and technique. When you open the clubface, the leading edge lifts and the sole together with the trailing edge is meant to glide through the sand. A sharp or angular trailing edge digs in instead. A strike that comes into the sand too steeply produces the same effect, even with a suitable club.