The Wild Trout Trust very gratefully benefited from the generous loan of Severn Rivers Trust's "Emriver" at this year's CLA gamefair. As well as proving to be a great way to engage game fair attendees of all ages, it provided a fantastic opportunity to accurately simulate many scenarios that we routinely encounter in our river habitat works. This first video introduces some of the basics and shows the effect of two common habitat installation techniques: marginal brash and log flowdeflectors