// Da qui aggiungo un nuovo elemento
<div class="col-md-6" v-for="feature in this.venues_features"
                             v-if="!checkForAllFeaturesList(feature)">
                            <p>
                                <span class="btn btn-success btn-xs mr-2" @click="addFeatureFromList(feature)">
                                    <i class="fa fa-plus" ></i>
                                </span>
                                {{ feature.name }}
                            </p>
                        </div>

// Qui avviene l'aggiunta del nuovo elemento
addFeatureFromList(feature) {
                this.venueFeaturesAvailable.push(feature);
                this.venueFeatures[feature.id] = true;
            }

// Qui c'è il for che genera gli switch
<div class="col-md-6" v-for="feature in venueFeaturesAvailable" v-if="feature">
                        <label class="switch switch-success">
                            <input type="checkbox" class="switch-input" v-model="venueFeatures[feature.id]">
                            <span class="switch-slider"></span>
                        </label>
                    </div>