Raviera Rape Straw Bedding with Lavender. Raviera with Lavender is treated with essential Lavender oil, known for its stress relieving, anti-bacterial and anti-microbial properties. The use of a harmless bittering agent also discourages bed eating. Riders using Raviera with Lavender enjoy the calming fragrance whilst those horses who may have had a tendency to bed eat, were found to be less likely to.