try asking in facebook groups? or sell the tula and buy the one with hip seat?
here are some you can try asking
https://www.facebook.com/groups/735161113222470/
https://www.facebook.com/groups/820620677995300/
https://www.facebook.com/groups/825691864128882/
Promo terbesar expert care sudah dimulai, diskon hingga Rp.100.000 sedang berlangsung di shopee, ada juga voucher diskon 100% alias gratis bagi bunda yang beruntung. Buruan cek di https://shope.ee/9UfEMMqqTg (id-44650)
still looking for a hip-seat cause i have one that is not in use.