when a train car reaches the end of one rail line, it must be switched to a different line in order to continue on to its destination. having served earlier in his career as production officer for the u.s.s. the   found him at the very end of his strength, unable to swim or grasp a rope. it can reach up to 1.2m in height. in 2020, martins released, walking music, an album in support of his walking club initiative. the format was never repeated, making it a unique feature in the magazine's run. 