I have a handful of individual snippet files for Clojure and other modes in my config https://github.com/practicalli/spacemacs.d/tree/live/snippets/clojure-mode

another one to the list! https://github.com/zenmacs/.emacs.d/tree/master/snippets/clojure-mode my favorite ones are the simplest ones... l (let), - (thread-first). They make coding the right thing easier, which could otherwise feel tedious