Carr & Day & Martin Liniment 500ml. Carr & Day & Martin Liniment is a dual purpose liniment and rinse that can be used to help relieve swellings and stiff, tight muscles. Carr & Day & Martin Liniment can be diluted with either warm or cold water for a cooling or soothing rinse or can be used neat as a soothing liniment on stiff or swollen muscles. Carr & Day & Martin Liniment contains a high level of menthol, witch hazel to decrease bruising, arnica to reduce inflammation and spike and lavender to increase circulation. Read more… Free from any prohibited substances under FEI legislation. 500ml.