Follow the recipe (from Wildlife Management International Limited) and use the equipment list to make favoured wax blocks to use in your surveillance.
The mink raft is can be used for monitoring (and then trapping mink as and when required). It detects mink footprints in clay, and being a raft on water, this increases the likelihood of its use by mink.
This manual provides best practice guidelines in a useful guide to help those working on or managing islands to detect the early warning signs of the presence of rats and other invasive species and prevent them becoming established.