Rsps Dupe

Hey guys, so i've been searching a server with a population of about 90 active players for duping methods. I've managed to find a way where i can close my trading interface on one account and use all the tabs above and bellow the inventory. Only issue is whenever i teleport it closes the trade. I can open up GE, use emotes, use prayers while in the closed trade interface but cant request another trade, move, or challenge at duel arena. Any suggestions on what i could try next? I'll leak the server and the method up to this point to the person who can suggest to me an idea that works.
Thank you
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after your trade interface has closed have you tried an additional stall before you teleport?

 

Yes i have. Shops close the trade interface on the other client. Player owned store doesnt but as soon as a open up my store or another person store it closes the other trade. Opening bank works and alching works while in the trade