In Setomaa, the road between Varsaka and Saaste goes through Russian territory for about 1 KM stretch called the Saaste Boot. This streach is restricted to only for the vehicles, motor bikes and bicycles. As noted the in Estonian border guard website, it is not allowed to touch this territory by foot. When entering the stretch of this territority from the Estonian side, the motorists are warned that they are not allowed to stop anywhere; The Russian federation has the rights to stop vehicles in this territory.
The Saaste boot remains a peculiar tourist attraction, as it permits to travel through Russia, albeit a bit, without Visa.