The spark can convert a pre-block or block into a glider as shown below; an example application is new gun 2. It can also turn a glider into a block, so two V sparks can make a reflector. The simplest example of this mechanism is the PD-pair reflector.
A V-shaped motif can be seen in many still lifes. The tub can be seen as the V spark with an additional stabilising cell, and the boat one with two. Two V sparks can be combined to create either a beehive or barge, both of which are stable. The V is generally considered too primitive to be a true still life component.
