Working on wall climbing with Kobalt. He is almost two years old. Blue Heeler. #dog #blueheeler #wallclimbing Blue Heeler Border Collie cattle dog cute dog dog trainer dog training dogs family dog famous heeler Intense INU Skidboot smart dog smartest dog texas heeler tiktok Trainable dog training Wall climbing オーストラリアン・キャトル・ドッグ