I remember watching trains being formed up within Heuston - propel in, attach, shove, detach, pull away, propel in, attach, shove, detach, pull away - the new set extending one coach at a time towards the buffers past a shunter defying death as everything bounced backwards and forwards. This would have been a Sunday afternoon in 2001 so maybe splitting and reforming Gaa specials, something like that.