A company called Tackletek custom carp tackle do one,looks good

Something like this can be attached to chairs or barrows. Quite versatile.

LINKY POO™ https://www.amazon.co.uk/dp/B0CW63P13F/ref=sspa_mw_detail_0?ie=UTF8&psc=1&sp_csd=d2lkZ2V0TmFtZT1zcF9waG9uZV9kZXRhaWw&aref=s9DxUptolP&sp_cr=ZAZ

I was recommended this not so long ago, it's been excellent and quite adjustable for height and wonky ground

LINKY POO™ https://www.amazon.co.uk/RISEOFLE-Aluminum-Extendable-Smartphone-Portable/dp/B0DXFB83YT?pd_rd_w=YaQCk&content-id=amzn1.sym.bb905799-25f8-4d74-9502-484f077c61fc&pf_rd_p=bb905799-25f8-4d74-9502-484f077c61fc&pf_rd_r=EWWWDD2Q9CV1FWR1NWAT&pd_rd_wg=LaK87&pd_rd_r=095c39cd-aeb6-4363-9d33-22df5eceb3d0&pd_rd_i=B0DXFB83YT&psc=1&ref_=pd_bap_m_grid_dv_rp_0_29_i