A method can include (i) identifying a reference shaft for an individual based on one or more characteristics of the individual; (ii) receiving shaft feedback information from the individual with respect to a performance of the reference shaft based on an assessment by the individual of one or more reference shaft characteristics of the reference shaft; (iii) executing a shaft comparison between shaft characteristic information of the reference shaft and shaft characteristic information of a plurality of available shafts based on the shaft feedback information of the individual, the shaft characteristic information of the reference shaft comprising information about the one or more reference shaft characteristics; and (iv) identifying one or more recommended shafts from the plurality of available shafts based on the shaft comparison to custom fit the individual. Other examples and related embodiments are disclosed herein.