It takes a moment, but when Seth notices the monster's leg spikes contracting into its body, he basically just wraps the wires more firmly around the pillar before disconnecting them from his non-gloved hand so he could hastily type. He's certainly wincing at the screaming and has to turn the volume of his phone to maximum for even a chance Haizea will be able to hear.

"Haizea, look out! It's definitely up to something, it's contracting the legs I tied up!"