と同様のハッシュタグ #horse
ハッシュタグを投稿に入れるか、投稿の下の最初のコメントとして。
#horse #horses #horsepower #horsesofinstagram #horseriding #instahorse #horseofinstagram #horselover #seahorse #horsephotography #dressagehorse #horselife #horselove #horsebackriding #horsestagram #horserider #horseblog #besthorse #horsemanship #horseshow #horsesport #dreamhorse #spanishhorse #pracinghorse #horseaddict #perfecthorse #horsegirl #prancinghorse #horses_of_instagram #horseandcarriage