has anybody ever had the locking pin between the knee cups slip off during a work out, if so how have you solved the problem or where can I go for this problem-if its something that I can fix myself.
Copyright © 2016 HubPages Inc. and respective owners.
Other product and company names shown may be trademarks of their respective owners.
HubPages® is a registered Service Mark of HubPages, Inc.
HubPages and Hubbers (authors) may earn revenue on this page based on affiliate relationships and advertisements with partners including Amazon, Google, and others.