### Clue: It's a frightful thing, almost struggling to walk without glasses on, initially (9)
### Answer: HOBGOBLIN 
 ### Explanation: Definition: It's a frightful thing
 "hobbling"(struggling to walk;walking with a lame awkward movement) **minus its last letter**(almost ..) **containing**(without) **the 1st letters, respectively, of**(… initially) "glasses on ".
Defn: … in folklore.