Porterfield Core Strengthening Device is a handheld spring-loaded device designed to sequentially and simultaneously contract all muscles of the core. The device costs $197 which includes sales tax and shipping/handling. The website also provides a 30-day warranty period.
Member count: 11-50
Investors 1
| Date | Name | Website |
| 28.06.2022 | Braintree ... | braintreep... |