A rattler can certainly strike more than once, injecting venom with each separate bite.
There is a much-believed but incorrect myth that the spur can inject venom.
But Diana's hair turns into serpents and inject venom into her.
Chilopoda have their front legs modified to inject venom.
Many times when Timber rattlers strike for protection, they will not inject venom.
They have eight legs and chelicerae with fangs that inject venom.
The wasp also injects venom along with the eggs and virus particles.
However, they do not feed on human blood or inject venom or saliva.
The spine of some animals are capable of injecting venom.
All have long, hinged fangs that dig deep into their prey and inject venom.