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SRD seems to agree: "You get a +10 bonus on this check because it is easier to bind someone than to escape from bonds. You don’t even make your Use Rope check until someone tries to escape."
Whoops.
The halfling screams through Len's hand as Flare manages to bind him. "GAH!" cries out Len, as she withdraws her hand. A bit of red drips down her arm, which she gazes at while the halfling tries to break away. Infuriated, Len throws a fist at the halfling, the force sending his head back into the ground with a loud thud. You're sure he's out cold.
"Little twerp..."
Flare then takes the opportunity to finish the binding, unhindered. It seems quite secure.