I honestly don't think you'll have a problem. The two ticklers can easily communicate verbally (and out loud) which, should you be blindfolded, could create an even bigger expectation in you and therefore increase the response.
It wouldn't be such a bad idea to meet the person in advance (say...
Buenas buenas!!
Como anda gente linda! Yo soy de Argentina y es siempre un placer ver a las distintas comunidades juntarse por un tema tan apasionante como este!
Saludos!
Translation: ;)
How's it going! I'm from Argeintina and it's always a pleasure when people from different origens come...
Otro paisano pa'l rancho!!
Opa! Seguimos sumando gente de Argentina (en mi caso, C.F.).
Turbina: Si necesitas material, soy un pesimo escritor...pero tengo muuuy buenas ideas! ;)
Salutte!