The traditional application of an LMS is in educational institutions. Learning management systems have been used for several years to deliver courseware in schools and popularize e-learning.
As verbs the difference between cane and crutch. is that cane is to strike or beat with a cane or similar implement while crutch is to support on crutches; to prop up.
I believe that the real difference between the 2 size shafts is the extra weight of the complete cue stick, so if you have a bigger pool cue shaft your stick will be a lot more front heavy like a corvette sports car versus a smaller tips shaft most of the weight will be in the back much like a Lamborghini.