自己練習打網球的小器具:https://www.amazon.ca/Tennis-Trainer-Rebound-Practice-Beginner/dp/B08CMG4K6Y/ref=asc_df_B08CMG4K6Y/?tag=googleshopc0c-20&linkCode=df0&hvadid=682888751508&hvpos=&hvnetw=g&hvrand=14577055756840288838&hvpone=&hvptwo=&hvqmt=&hvdev=c&hvdvcmdl=&hvlocint=&hvlocphy=9000904&hvtargid=pla-1370351126822&psc=1&mcid=0e2a459ce7d63836a753b3905f430de2&gad_source=1
我買了一套,感覺蠻好。